7.4 Frequency converter
The frequency converters are connected to the SPS via ModBus. All signals, setpoints and error messages run
via this connection. Below is a description of how the input elements of the frequency converter basically work.
7.4.1 Operating elements
Key
Name
Description
Escape
Go back one step in the program menu. Cancel changes to a
parameter value and exit program mode
Select button
Go forward one step in the program menu. Select a digit when a
parameter value is displayed
Up arrow
Scroll down through groups and parameters. Increase/reduce the
value of a flashing digit
Down arrow
Enter
Go forward one step in the program menu. Save a change to a
parameter value
Electric components and wiring
7
Frequency converter
Service manual SPS 4000 | B0960622_en
135